Home / 663,552,012.80-995,328,019.20-652,802,470.40

Finding the Fourth Proportional to 663,552,012.80, 995,328,019.20 and 652,802,470.40

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Solution

The fourth proportional to 663,552,012.80, 995,328,019.20 and 652,802,470.40 is: 979,203,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,012.80 : 995,328,019.20 = 652,802,470.40 : x
  2. Step 2: Convert to fraction form
    663,552,012.80/995,328,019.20 = 652,802,470.40/x
  3. Step 3: Cross multiply
    663,552,012.80x = 995,328,019.20 × 652,802,470.40
  4. Step 4: Simplify right side
    663,552,012.80x = 649,752,589,792,098,688
  5. Step 5: Solve for x
    x = 649,752,589,792,098,688/663,552,012.80
  6. Step 6: Final answer
    x = 979,203,705.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.